Github user darrenfoong commented on the issue: https://github.com/apache/geode/pull/668 Hi Jared, thank you for your feedback. The initial use case that I was thinking of involved a user wanting to: - use Geode with another JDK (which doesn't have the `com.sun.org.apache...` Xerces implementation that the Oracle JDK uses), or - use Geode in an application where he/she wants to use the Apache Xerces implementation (which will be a dependency of the application) and sets the system property `javax.xml.parsers.SAXParserFactory` to `org.apache.xerces.jaxp.SAXParserFactoryImpl`. In these cases `xercesImpl` is part of the environment (JDK, app) so I chose to use `xercesImpl` at only test runtime and "load" it via `System.setProperty()` in my unit tests. I don't see why it's needed at test compile time and I don't really understand your point about people building with (and I presume, for) a JDK that doesn't include Xerces: in that case, shouldn't `xercesImpl` be a dependency for `main` too? I do symphatise with Xerces hell though!
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